Cell-phone handsets may soon double as video screens or home-appliance controllers thanks to third-generation wireless technology. Edited by Leland E. Teschler Flipping down the dialpad of the Kyocera Smartphone reveals features that emulate a Palm VII. It can view special Web sites designed for Wireless Application Protocol phones. It works with data service from a CDMA wireless carrier such as Sprint or Verizon. A Unigraphics CAD system helped industrial designers at Innodesign in Palo Alto, Calif., create the TouchPoint 3000, a handset made by LG Electronics in Korea and marketed by Sprint. The design conceals a proprietary PDA use interface beneath the keypad and LCD. on your next cell phone? Or perhaps using it to blast your way out of a skirmish in an online game of Quake? These are possibilities if wireless phones become platforms for games, streaming media, and other PC-style applications. It's not clear that there will ever be much of a demand for cell phones able to handle such seem-ingly exotic uses. Nevertheless, that hasn't stopped telecom sup-pliers from doing the groundwork necessary to make such developments possible. Planning is well underway for what are called third-generation (3G for short) cell phones. The 3G phones are envisioned as part phone, part PDA (personal digital assistant), and part video-player on demand. A hint of these capabilities is due to soon arrive in the form of Samsung's MPEG-4 Video Phone and Nokia's 9210 Color Communicator, both powered by a special chip from Emblaze Systems Ltd. in Israel. The screen on the Samsung device is said to have 16 million-color display capability and 1 million-pixel resolution, and will allow viewing video at 15 frames/sec. It is currently operational in Korea over a 3G wireless network and is slated for U.S. debut later this year. The Nokia device is expected to
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3G, UMTS, and EDGE Chips
Third generation (3G) cellular communication chips include UMTS and EDGE chips. Universal mobile telecommunication system (UMTS) chips provide high-speed data access. Enhanced data rates for GSM evolution (EDGE) chips make GSM implementation easier.
Telephones and Cellular Phones
Telephones and cellular phones convert voice or other sound signals into a form that can be transmitted to another device that receives and reconverts the waves back into sound.
Mobile and Wireless Software
Mobile and wireless software is used to program and manage mobile and wireless devices such as cell phones, personal digital assistants (PDA), and global positioning systems (GPS).
SAW filters are electronic filters that are designed and manufactured using surface acoustic wave (SAW) technology. SAW uses piezoelectric transducers that, when excited, produce waves that are used to filter frequencies.
GPRS chips use general packet radio service (GPRS), a standard for wireless communication with a throughput rate of 115 kilobits per second.
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